CONTEXT: [env_single_windows] valid environment with single windows mounted
RETCODE=0
STDOUT:
=======
> DRY RUN BACKUP /mnt/win/Windows/System32/config/SYSTEM to /tmp/pytest-of-vhrabar/pytest-0/cli_app__env_single_windows0/TestSyncDryRun/test_backup/subdir/SYSTEM-2020-12-24--20-30-00
> DRY RUN: push devices C2:9E:1D:E2:3D:A5
synced C2:9E:1D:E2:3D:A5 successfully

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STDERR:
=======

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